Sherline 5000 Mill Assembly Instructions

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allows you to use a large range of readily available 3/8"
end mills with your machine. (Several other size inch and
metric end mill holders are also available.)
• Fly cutting is an excellent way of removing stock from
flat surfaces.
• Normal machine alignment is adequate for most work,
but if the work is exceptionally large or requires extreme
accuracy, shims may be employed to improve machine
alignment.
• For accurate setups you should have and know how to
use a dial indicator.
• Often, more time will be spent making fixtures to hold
work than doing the actual machining.
• To help save time on many simple setups, a good mill vise
is a must. A drill press vise is not designed for the forces
involved in milling.
• Plan ahead. Always try to have one point from which to
measure. Do not machine this point off part way through
the job. This would leave you with no way of measuring
the next operation.
• Remember the basic machining rule that says: “If the
tool chatters, reduce speed and increase feed.”
• It takes a long time to accumulate the knowledge, tools
and fixtures required for many different types of milling
operations. Do not become discouraged by starting with a
job that is too complex or by using materials that are
extremely difficult to machine.
SECURING THE WORKPIECE
The first problem encountered will be holding the work and
aligning it to the machine. It is important for reasons of
safety and accuracy that the workpiece be solidly secured.
This may be the most difficult task, since once the work is
clamped in position, the method of doing the entire job has
been established. Usually, a rectangular block can be easily
held in a mill vise. Note that round stock may also be held
in a “V” shaped vise slot. Mill vises are specially designed
to pull the movable jaw downward as they tighten on it.
(See Mill Vise P/N 3551 shown in figure 71 and in the
Sherline Tools and Accessories Catalog.)
Certain objects can be secured with a 4-jaw lathe chuck,
which is, in turn, clamped to the machine. Some irregular
shapes, such as castings, may present greater difficulties.
Often they may be clamped directly to the table. Very small
or irregular shapes can be secured by epoxying them to a
second, more easily held piece of material. They are broken
FIGURE 49—Milling machine part terminology
VERTICAL FEED
HANDWHEEL (Z-AXIS)
2-SPEED STEPPED PULLEY
“V” DRIVE BELT
COLUMN SADDLE LOCK
(BEHIND SADDLE ON LEADSCREW)
HEADSTOCK LOCKING SET SCREW
HEADSTOCK
Z-AXIS COLUMN BED
“T” SLOTS (2)
SADDLE FRICTION ADJUSTMENT SCREW
Y-AXIS GIB
MILL BASE
SADDLE
DC MOTOR
SPEED CONTROL
ASSEMBLY
ON/OFF SWITCH
SPINDLE
TABLE
TABLE FEED HANDWHEEL
(X-AXIS)
TABLE LOCK ASSEMBLY
TABLE FEED HANDWHEEL
(Y-AXIS)
DRILL CHUCK
VARIABLE SPEED
CONTROL KNOB
COLUMN BASE
HEADSTOCK ALIGNMENT KEY
Z-AXIS GIB
ADJUSTABLE ZERO HANDWHEEL
COLLAR LOCKING NUT
X-AXIS STOP SCREW
Y-AXIS ANTI-BACKLASH
NUT AND LOCK
HEADSTOCK SPACER BLOCK